1201123213422 has 32 divisors (see below), whose sum is σ = 2630093272704. Its totient is φ = 362662730400.

The previous prime is 1201123213421. The next prime is 1201123213519. The reversal of 1201123213422 is 2243123211021.

It is a junction number, because it is equal to n+sod(n) for n = 1201123213392 and 1201123213401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201123213421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32831604 + ... + 32868167.

It is an arithmetic number, because the mean of its divisors is an integer number (82190414772).

Almost surely, 2^{1201123213422} is an apocalyptic number.

1201123213422 is an abundant number, since it is smaller than the sum of its proper divisors (1428970059282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201123213422 is a wasteful number, since it uses less digits than its factorization.

1201123213422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65700064.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1201123213422 its reverse (2243123211021), we get a palindrome (3444246424443).

The spelling of 1201123213422 in words is "one trillion, two hundred one billion, one hundred twenty-three million, two hundred thirteen thousand, four hundred twenty-two".